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/**
* Check whether the license key is valid and activate it
*
* @author Tyche Softwares
* @since 1.0
* @category Classes
* @package Deposits-for-WooCommerce/Other
*/
class DFW_License {
/**
* This function adds the license page in the Deposits settings
*/
public static function dfw_get_edd_sample_license_page() {
$license = get_option( 'dfw_edd_license_key' );
$status = get_option( 'dfw_edd_license_status' );
}
/**
* This function will check the license entered using an API call to the store website.
* And if its valid it will activate the license.
*
* @since 1.0
*/
public static function dfw_edd_sample_activate_license() {
// listen for our activate button to be clicked
if( isset( $_POST['dfw_edd_activate_license'] ) ) {
// run a quick security check
if( ! check_admin_referer( 'edd_sample_nonce', 'edd_sample_nonce' ) )
return; // get out if we didn't click the Activate button
// retrieve the license from the database
$license = trim( get_option( 'dfw_edd_license_key' ) );
// data to send in our API request
$api_params = array(
'edd_action' => 'activate_license',
'license' => $license,
'item_name' => urlencode( EDD_SL_ITEM_NAME_DEPOSITS ) // the name of our product in EDD
);
// Call the custom API.
$response = wp_remote_get( esc_url_raw( add_query_arg( $api_params, EDD_SL_STORE_URL_DEPOSITS ) ), array( 'timeout' => 15, 'sslverify' => false ) );
// make sure the response came back okay
if ( is_wp_error( $response ) )
return false;
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "active" or "inactive"
update_option( 'dfw_edd_license_status', $license_data->license );
}
}
/**
* Illustrates how to deactivate a license key.
*
* @since 1.0
*/
public static function dfw_edd_sample_deactivate_license() {
// listen for our activate button to be clicked
if( isset( $_POST['dfw_edd_deactivate_license'] ) ) {
// run a quick security check
if( ! check_admin_referer( 'edd_sample_nonce', 'edd_sample_nonce' ) )
return; // get out if we didn't click the Activate button
// retrieve the license from the database
$license = trim( get_option( 'dfw_edd_license_key' ) );
// data to send in our API request
$api_params = array(
'edd_action' => 'deactivate_license',
'license' => $license,
'item_name' => urlencode( EDD_SL_ITEM_NAME_DEPOSITS ) // the name of our product in EDD
);
// Call the custom API.
$response = wp_remote_get( esc_url_raw( add_query_arg( $api_params, EDD_SL_STORE_URL_DEPOSITS ) ), array( 'timeout' => 15, 'sslverify' => false ) );
// make sure the response came back okay
if ( is_wp_error( $response ) )
return false;
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "deactivated" or "failed"
if( $license_data->license == 'deactivated' )
delete_option( 'dfw_edd_license_status' );
}
}
/**
* This illustrates how to check if a license key is still valid.
*
* @since 1.0
*/
static function dfw_edd_sample_check_license() {
global $wp_version;
$license = trim( get_option( 'dfw_edd_license_key' ) );
$api_params = array(
'edd_action' => 'check_license',
'license' => $license,
'item_name' => urlencode( EDD_SL_ITEM_NAME_DEPOSITS )
);
// Call the custom API.
$response = wp_remote_get( esc_url_raw( add_query_arg( $api_params, EDD_SL_STORE_URL_DEPOSITS ) ), array( 'timeout' => 15, 'sslverify' => false ) );
if ( is_wp_error( $response ) )
return false;
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
if( $license_data->license == 'valid' ) {
echo 'valid'; exit;
// this license is still valid
} else {
echo 'invalid'; exit;
// this license is no longer valid
}
}
/**
* This function checks if a new license has been entered ,
* if yes plugin must be reactivated.
*
* @param string $new License Key
* @return string
* @since 1.0
*/
static function dfw_get_edd_sanitize_license( $new ) {
$old = get_option( 'dfw_edd_license_key' );
if( $old && $old != $new ) {
delete_option( 'dfw_edd_license_status' ); // new license has been entered, so must reactivate
}
return $new;
}
}